package chapter02_linkedList;

/**
 * 描述：
 *
 * @author hl
 * @date 2021/1/22 10:16
 */
public class DoubleNode {
    public int val;
    public DoubleNode next;
    public DoubleNode last;

    public DoubleNode(int val) {
        this.val = val;
    }


}
